CN211995267U - Device for improving comfort level of automobile seat and increasing seating space - Google Patents
Device for improving comfort level of automobile seat and increasing seating space Download PDFInfo
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- CN211995267U CN211995267U CN202020316694.0U CN202020316694U CN211995267U CN 211995267 U CN211995267 U CN 211995267U CN 202020316694 U CN202020316694 U CN 202020316694U CN 211995267 U CN211995267 U CN 211995267U
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- backrest
- adjusting mechanism
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- seat cushion
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Abstract
The utility model discloses a device for improving the comfort level of an automobile seat and increasing the space of a passenger seat, which comprises a seat cushion height adjusting mechanism and a backrest adjusting mechanism, wherein the seat cushion height adjusting mechanism is provided with a shear type lifting mechanism which is arranged between a seat cushion framework and an upper sliding rail of the seat and the upper and lower ends of which are respectively connected with a seat cushion side plate of the seat cushion framework and the upper sliding rail of the seat; the backrest adjusting mechanism comprises a backrest integral adjusting mechanism and a backrest subsection adjusting mechanism; the R point of the backrest integral adjusting mechanism is arranged at the lower part of the H point, and the backrest integral adjusting mechanism utilizes the backrest lower connecting plate 2 and is connected with the seat cushion side plate through the backrest angle adjuster; the backrest subsection adjusting mechanism is formed by connecting a backrest lower connecting plate 2 and a backrest upper connecting plate 1, utilizing a motor driving device and arranging a limiting or locking structure. The utility model discloses increase the car seat device that the travelling comfort is high, the backrest can compromise to different crowds' different demands to increase back row passenger bracket space, backrest regulation.
Description
Technical Field
The utility model relates to a car seat technical field mainly relates to car seat's adjustment mechanism.
Background
With the rapid development of the automobile industry, the consumption level of people is continuously upgraded, and the requirement of people on the excellent degree of the use performance of automobiles is higher and higher, especially the requirement on the comfort of automobile seats is higher and higher.
The traditional automobile seat structure and the adjustment function thereof are single, drivers and passengers are easy to feel waist soreness and backache after sitting for a long time, feel tired all over, and have low seating experience.
The height adjusting mechanism of the traditional automobile has a relatively complex structure, more parts and large occupied space.
Conventional car seat back frames lean down relatively to the back, because the seat cushion and back position determine the rear passenger leg space, if need increase the space and just need sacrifice automobile body length or trunk space.
The seat back structure is fixed, and for passengers with different body types and different heights, the seat back structure only considers commonalities and neglects individuality, so that different people are difficult to take into account.
Therefore, the problems are solved, and the modern automobile seat design needs to overcome the technical defects, and the specific problems are as follows:
one of the problems is to solve the problem of comfort regulation of the backrest of the current automobile seat: the rotation point of the backrest of the current automobile seat deviates from a design point, namely a theoretical design point R, so that the backrest and the upper half of a passenger cannot be completely attached in the process of adjusting the backrest, and the comfort of the seat is reduced.
The second problem is that the foot space of the passenger on the rear seat of the automobile is narrow, the current rotation point of the backrest of the automobile is that the passenger leans down backwards and is close to the floor of the automobile body, and the feet of the passenger on the rear seat cannot be put into the rotation point, so that the freedom of the foot space of the passenger on the rear seat is affected.
A third problem is to have an adjustable or motorized backrest structure, for example, the local angle of the backrest should be adjustable, so that different requirements of different people can be met.
The fourth problem is that the existing automobile seat height-adjusting mechanism is complex, large in number of parts, large in occupied space, high in manufacturing cost and troublesome in maintenance.
Disclosure of Invention
The utility model aims at, overcome the back row passenger bracket space that prior art's car seat exists narrow and small, the back is adjusted and can not laminate the travelling comfort completely with passenger back low, the backrest is difficult to compromise to different crowds ' different demands, and the structure is numerous and diverse, the unsatisfactory defect of effect, an increase back row passenger bracket space is provided, the travelling comfort is adjusted to the back high, the car seat device that the backrest can compromise to different crowds ' different demands, seat height control is swift simple and convenient simultaneously, it is lower to make and cost of maintenance.
The purpose of the utility model is realized through the following technical scheme.
A device for improving the comfort level of an automobile seat and increasing the riding space comprises a seat cushion height adjusting mechanism and a backrest adjusting mechanism, and is characterized in that the seat cushion height adjusting mechanism is provided with a shear type lifting mechanism which is arranged between a seat cushion framework and an upper sliding rail of the seat and the upper and lower ends of which are respectively connected with a seat cushion side plate of the seat cushion framework and the upper sliding rail of the seat; the backrest adjusting mechanism comprises a backrest integral adjusting mechanism and a backrest subsection adjusting mechanism; the R point of the backrest integral adjusting mechanism is arranged at the lower part of the H point, and the backrest integral adjusting mechanism utilizes a lower backrest connecting plate and is connected with the seat cushion side plate through a backrest angle adjuster; the backrest section adjusting mechanism is formed by rotatably connecting a backrest lower connecting plate and a backrest upper connecting plate, utilizing a motor driving device and arranging a limiting or locking structure.
The point H refers to a reference datum point designated during the design of the seat, namely a connecting point of the human trunk and the thighs in the human body model. The dummy posture at the position of the point H is specified as the optimum driving posture. The utility model discloses a back rotation point is in the below position of H point, with the back rotation point relative antedisplacement of traditional seat to enlarged the space of shelving leg foot of back seat passenger, and prior art's rotation point R point is in about 130mm departments behind H point, causes the space of shelving leg foot of back seat passenger to be extruded.
The utility model discloses a back rotation point just in time just in the below of design point H point not far away, the back only needs to adjust less angle just can satisfy the passenger needs to can obtain more backs and passenger's back laminating, finally satisfy the requirement of passenger comfort level.
In the preferred scheme, the scissor type lifting mechanism comprises a push rod motor assembly and an X-shaped bracket;
the push rod motor assembly comprises a motor fixing support fixed on the front fixing support through a fixing bolt, the front fixing support is fixed at the front end of a slide rail on the seat, a push rod motor is connected with a synchronizer and fixed on the motor fixing support, the push rod motor is connected with the synchronizer on the other side through a synchronizing rod, the output end of the synchronizer is connected with the rear end of the push rod, and the push rod is of a screw rod structure; the synchronizer, the motor fixing bracket and the push rod are symmetrically arranged on the left side and the right side;
the X-shaped support comprises a driving support rod and a driven support rod which are equal in length, the driving support rod is hinged to the middle point of the driven support rod through a guide groove in the middle of the driving support rod by a hinge bolt, the lower end of the driving support rod is connected with a connecting lug at the front end of a push rod by a pin joint bolt, the pin joint bolt is in sliding fit with a sliding groove of a front fixing support, the upper end of the driving support rod is hinged to a seat cushion side plate by a connecting bolt, the lower end of the driven support rod is hinged to a rear fixing support fixed at the rear end of an upper sliding rail by a connecting bolt, and the upper end of the driven; the X-shaped brackets are symmetrically arranged on two sides of the seat cushion framework.
The utility model discloses a "X" link structure is as lifting mechanism, and lifting mechanism theory of operation drives the lead screw back-and-forth movement through the push rod motor and promotes drive branch, and this kind of structural advantage is space below the increase seatpad to can shorten design point (H point) distance, reduce the seat height promptly, increase passenger's security.
Preferably, the scissor type lifting mechanism is composed of an oil cylinder push rod assembly serving as a driving device and an X-shaped support.
Preferably, the motor driving device of the backrest section adjusting mechanism comprises a double-shaft motor, the double-shaft motor and a transmission are fixed on a connecting plate on the backrest through bolts, and the double-shaft motor and the transmission are connected through a flexible shaft; and the limiting screw penetrates through a limiting hole of the lower backrest connecting plate and is fixedly connected with the double-shaft motor and the transmission.
The limiting screw rod is matched with the limiting hole to play a limiting role. When the double-shaft motor drives, the connecting plate on the backrest rotates at a proper angle, so that the purpose of adjusting the backrest in sections is achieved. Some passengers can not adjust the backrest to the most comfortable position completely due to the body or the height, and can adjust the backrest integrally to be adjusted by using the sectional type of the utility model, thereby meeting different crowds and passengers.
In the preferable scheme, the distance between the rotating center of the motor driving device of the backrest subsection adjusting mechanism and the bottom edge of the backrest is 300-500 mm.
The utility model has the advantages that:
1. the back rotation point R point is close to the design theory adjustment point H point, adjusts less back angle and just can be in a more comfortable position, reduces accommodation process's spatial amplitude to back row passenger bracket space has been increased:
2. the R point is positioned at the position 100mm below the H point; correspondingly, the lower backrest connecting plate 2 is of an arch structure with a large arc, so that the rotation of the backrest can just fit the back movement of the passenger, and the requirement of the passenger on the comfort of backrest adjustment is met;
3. the scissor type lifting mechanism is adopted, and the mechanism has the advantages that the height is quickly adjusted, and the relative large stroke is easily realized;
4. the local angle of the backrest is adjustable, so that different requirements of different people can be met;
5. the shear type lifting mechanism is used as the main structure of the height adjusting device, compared with the prior art, the number of adjusting parts is greatly reduced, and the space occupancy rate of the mechanism is reduced;
6. the seat height adjustment is quick and convenient, and the manufacturing and maintenance cost is low.
Drawings
Fig. 1 is a schematic structural view of a seat frame according to an embodiment of the present invention;
FIG. 2 is an exploded view of a seat cushion according to an embodiment;
FIG. 3 is an exploded view of the backrest;
FIG. 4 is a schematic view of a backrest recliner;
FIG. 5 is a schematic view of a backrest recliner motor;
FIG. 6 is a schematic view of a scissor lift mechanism;
FIG. 7 is a schematic view of a push rod motor assembly;
FIG. 8 is a schematic view of a front mounting bracket;
FIG. 9 is a schematic view of a rear mounting bracket;
FIG. 10 is a schematic view of a hinge bolt and channel combination;
FIG. 11 is a schematic view of an "X" shaped stent;
FIG. 12 is a schematic view of the scissor lift mechanism in a lowermost position;
FIG. 13 is a schematic side view of a seat frame according to the present invention;
FIG. 14 is a schematic side view of a prior art seat frame.
In the figure: the backrest is provided with an upper connecting plate 1; a lower backrest connecting plate 2; a seat cushion frame 3; a seat cushion side plate 31; a guide groove 311; an "X" shaped stent 32; the driving rod 321; a driven strut 322; a connecting bolt 323; a hinge bolt 324; a pin connection bolt 325; a guide groove 326; a push rod motor assembly 33; a push rod motor 331; a push rod 332; a synchronizing lever 333; a motor fixing bracket 334; a fixing bolt 335; a synchronizer 336; a front fixing bracket 34; a chute 341; a rear fixing bracket 35; a backrest section adjusting mechanism 4; a biaxial motor 41; a flexible shaft 42; a transmission 43; a limit screw 44; a backrest recliner 5; a backrest angle modulation motor 6; and an upper slide rail 7.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1: a device for improving the comfort of a car seat and increasing the space for a seat comprises a seat cushion height adjusting mechanism and a backrest adjusting mechanism, and is shown in figure 1. The seat cushion height adjusting mechanism is provided with a scissor type lifting mechanism which is arranged between the seat cushion framework 3 and the seat upper slide rail 7, and the upper end and the lower end of the scissor type lifting mechanism are respectively connected with the seat cushion side plate 31 of the seat cushion framework 3 and the seat upper slide rail 7, as shown in fig. 2. The backrest adjusting mechanism comprises a backrest integral adjusting mechanism and a backrest subsection adjusting mechanism, and is shown in fig. 3. The rotation point of the backrest integral adjusting mechanism is arranged at the lower part of the H point, the backrest integral adjusting mechanism utilizes the backrest lower connecting plate 2 and is connected with the seat cushion side plate 31 through the backrest angle adjuster 5, referring to fig. 4, the stop block on the backrest angle adjuster 5 is welded at the position corresponding to the backrest lower connecting plate 2. When the backrest angle adjusting motor 6 is driven counterclockwise, the backrest integrally rotates backward about the central circular axis of the backrest angle adjuster 5, so as to achieve the purpose of backward adjustment of the backrest, as shown in fig. 5. When the backrest angle adjusting motor 6 is driven clockwise, the backrest integrally rotates forwards along the central circular shaft of the backrest angle adjuster 5, so that the aim of forward adjustment of the backrest is fulfilled.
The backrest section adjusting mechanism is formed by pivotally connecting a backrest lower connecting plate 2 and a backrest upper connecting plate 1, utilizing a motor driving device and arranging a limiting or locking structure.
The motor driving device of the backrest section adjusting mechanism comprises a double-shaft motor 41, the double-shaft motor 41 and a speed changer 43 are fixed on the backrest upper connecting plate 1 through bolts, and the double-shaft motor 41 and the speed changer 43 are connected through a flexible shaft 42; the limit screw 44 passes through the limit hole of the backrest lower connecting plate 2 and is fixedly connected with the double-shaft motor 41 and the transmission 43. The limiting screw 44 is matched with the limiting hole to limit. When the double-shaft motor 41 is driven, the backrest upper connecting plate 1 rotates by a proper angle, so that the purpose of backrest sectional adjustment is achieved.
The distance between the rotating center of the motor driving device of the backrest section adjusting mechanism and the bottom edge of the backrest is 300-500 mm, and the distance is determined according to a statistical data conclusion aiming at user crowds.
The backrest rotation point is positioned at the position 100 mm-300 mm just below the point H; correspondingly, the lower backrest connecting plate 2 has an arch structure with a large circular arc. The rotation of the backrest just can be attached to the back of the passenger to move, and the requirement of the passenger on the comfort of backrest adjustment is met.
The back rotation point of prior art is in the about 150mm department in the back below of H point for the back needs to adjust very big angle and the waist receives the oppression of back easily in accommodation process, and back backward rotation back and passenger binding face are less gradually, reach not ideal travelling comfort, and the back rotation point of current car seat is the back and leans on down in addition, and is nearer with the automobile body floor distance, and the passenger foot can't be put into, influences the back row passenger foot space. The backrest rotation point of the present embodiment is just at the position 100-300mm below the design point H, and in order to match the same accurate rotation after the R point is deviated, the backrest lower connecting plate 2 is designed to have a large arc arch structure to bypass the rear portion of the seat cushion frame 3 so as not to generate friction.
The scissor lift mechanism includes a push rod motor assembly 33 and an "X" shaped bracket 32, see fig. 6, in which:
the push rod motor assembly 33 comprises a motor fixing support 334 fixed on the front fixing support 34 by a fixing bolt 335, the front fixing support 34 is fixed at the front end part of the slide rail 7 on the seat, a push rod motor 331 is connected with a synchronizer 336 and fixed on the motor fixing support 334, the push rod motor 331 is connected with the synchronizer 336 at the other side through a synchronizing rod 333, the output end of the synchronizer 336 is connected with the rear end of the push rod 332, and the push rod 332 is in a screw rod structure; the synchronizer 336, the motor fixing bracket 334 and the push rod 332 are arranged in bilateral symmetry. See fig. 7.
The "X" shaped bracket 32 includes a driving strut 321 and a driven strut 322 having the same length, the driving strut is hinged by a hinge bolt 324 through a middle guide slot 326 and a middle point of the driven strut, the hinge bolt 324 is slidable in the guide slot 326, the lower end of the driving strut 321 is pinned to a front end tab of the push rod 332 by a pin connection bolt 325, and the pin connection bolt 325 is slidably engaged with a slide slot 341 of the front fixing bracket 34, see fig. 8. The upper end of the driving strut 321 is hinged to the seat-cushion side plate 31 by a connecting bolt 323, and the lower end of the driven strut 322 is hinged to a rear fixing bracket 35 fixed to the rear end portion of the upper slide rail 7 by a connecting bolt 323, see fig. 9. The upper end of the driven strut 322 is hinged to the seat side plate 31 by a pin connecting bolt 325. The driving strut 321 and the driven strut 322 are hinged using a hinge bolt 324, see fig. 10. The X-shaped brackets 32 are symmetrically arranged on both sides of the seat cushion frame 3. The structure realizes the lifting of the seat cushion of the seat by the larger stroke of the X-shaped support, before actual driving, the higher part utilizes the X-shaped support to adjust the height of the seat to reduce the height, the front end of the seat cushion gradually tends to incline, the lower part utilizes the X-shaped support to adjust the height of the seat to raise the height, the front end of the seat cushion gradually tends to sink, the inclination angle of the cushion is adjusted within the range of about 10 degrees in the adjustment of the whole X-shaped support, more humanized leg control adjustment can be provided, and the comfort angle of the seat is provided, as shown in figure 11. The specific action process is that when the push rod motor 331 is driven, the push rod 332 extends outward to push the driving strut 321 and the driven strut 322 to contract, so as to drive the seat cushion frame 3 to be lifted integrally. When the push rod motor 331 is driven in the reverse direction, the push rod 332 contracts, and pushes the driving strut 321 and the driven strut 322 to expand, thereby driving the seat cushion frame 3 to descend as a whole. See fig. 12.
As a comparison, fig. 13 shows the side view of the seat frame of the present invention, fig. 14 shows the schematic side view of the seat frame of the prior art, and the simple and complex degrees of the seat lifting mechanism are different from each other.
Example 2: the scissor type lifting mechanism is composed of an oil cylinder push rod assembly serving as a driving device and an X-shaped support 32, and the push rod is of a sliding push rod structure connected with a piston rod. The rest of the structure is the same as that of example 1.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A device for improving the comfort level of an automobile seat and increasing the riding space comprises a seat cushion height adjusting mechanism and a backrest adjusting mechanism, and is characterized in that the seat cushion height adjusting mechanism is provided with a shear type lifting mechanism which is arranged between a seat cushion framework and an upper sliding rail of the seat and the upper and lower ends of which are respectively connected with a seat cushion side plate of the seat cushion framework and the upper sliding rail of the seat; the backrest adjusting mechanism comprises a backrest integral adjusting mechanism and a backrest subsection adjusting mechanism; the rotating point of the backrest integral adjusting mechanism is arranged at the lower part of the H point, and the backrest integral adjusting mechanism utilizes a backrest lower connecting plate and is connected with the seat cushion side plate through a backrest angle adjuster; the backrest section adjusting mechanism is formed by rotatably connecting a backrest lower connecting plate and a backrest upper connecting plate, utilizing a motor driving device and arranging a limiting or locking structure.
2. The device of claim 1, wherein the scissor lift mechanism comprises a push rod motor assembly and an "X" shaped bracket;
the push rod motor assembly comprises a motor fixing support fixed on the front fixing support through a fixing bolt, the front fixing support is fixed at the front end of a slide rail on the seat, a push rod motor is connected with a synchronizer and fixed on the motor fixing support, the push rod motor is connected with the synchronizer on the other side through a synchronizing rod, the output end of the synchronizer is connected with the rear end of the push rod, and the push rod is of a screw rod structure; the synchronizer, the motor fixing bracket and the push rod are symmetrically arranged on the left side and the right side;
the X-shaped support comprises a driving support rod and a driven support rod which are equal in length, the driving support rod is hinged to the middle point of the driven support rod through a guide groove in the middle of the driving support rod by a hinge bolt, the lower end of the driving support rod is connected with a connecting lug at the front end of a push rod by a pin joint bolt, the pin joint bolt is in sliding fit with a sliding groove of a front fixing support, the upper end of the driving support rod is hinged to a seat cushion side plate by a connecting bolt, the lower end of the driven support rod is hinged to a rear fixing support fixed at the rear end of an upper sliding rail by a connecting bolt, and the upper end of the driven; the X-shaped brackets are symmetrically arranged on two sides of the seat cushion framework.
3. The apparatus as claimed in claim 1, wherein the scissor lift mechanism comprises a cylinder push rod assembly as a driving device and an "X" shaped bracket.
4. The device for improving the comfort level of the seat of the automobile and increasing the sitting space of the seat as claimed in claim 1, 2 or 3, wherein the motor driving device of the backrest section adjusting mechanism comprises a double-shaft motor, the double-shaft motor and the transmission are fixed on the backrest upper connecting plate through bolts, and the double-shaft motor and the transmission are connected through a flexible shaft; and the limiting screw penetrates through a limiting hole of the lower backrest connecting plate and is fixedly connected with the double-shaft motor and the transmission.
5. The device for improving comfort of a car seat and increasing a space for a passenger according to claim 4, wherein a distance between a rotation center of the motor driving device of the backrest section adjusting mechanism and a bottom edge of the backrest is 300 to 500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316694.0U CN211995267U (en) | 2020-03-15 | 2020-03-15 | Device for improving comfort level of automobile seat and increasing seating space |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020316694.0U CN211995267U (en) | 2020-03-15 | 2020-03-15 | Device for improving comfort level of automobile seat and increasing seating space |
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| CN211995267U true CN211995267U (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020316694.0U Active CN211995267U (en) | 2020-03-15 | 2020-03-15 | Device for improving comfort level of automobile seat and increasing seating space |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113844342A (en) * | 2021-11-09 | 2021-12-28 | 麦格纳座椅研发(重庆)有限公司 | Car seat based on inclination adjustment mechanism |
| WO2023051024A1 (en) * | 2021-09-29 | 2023-04-06 | 广东佳居家具有限公司 | Seat with electric lifting function |
-
2020
- 2020-03-15 CN CN202020316694.0U patent/CN211995267U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023051024A1 (en) * | 2021-09-29 | 2023-04-06 | 广东佳居家具有限公司 | Seat with electric lifting function |
| CN113844342A (en) * | 2021-11-09 | 2021-12-28 | 麦格纳座椅研发(重庆)有限公司 | Car seat based on inclination adjustment mechanism |
| CN113844342B (en) * | 2021-11-09 | 2023-03-24 | 麦格纳座椅研发(重庆)有限公司 | Car seat based on inclination adjustment mechanism |
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